Magic.dev vs OpenAI Codex
Two of the most-asked-about agents in the coding space. Here's how they actually stack up.
Magic.dev
Frontier code model with a 100M-token context window, built for enterprise-scale software engineering
Enterprise
Read full review →OpenAI Codex
OpenAI's terminal-based coding agent powered by GPT-5
From $20/mo
Read full review →Side-by-side comparison
| Magic.dev | OpenAI Codex | |
|---|---|---|
| Tagline | Frontier code model with a 100M-token context window, built for enterprise-scale software engineering | OpenAI's terminal-based coding agent powered by GPT-5 |
| Pricing | Enterprise | From $20/mo |
| Categories | coding, agent, research | coding, cli, autonomous |
| Made by | Magic.dev | OpenAI |
| Launched | 2023-06 | 2025-04 |
| Platforms | API | macOS, Linux, Windows |
| Status | beta | active |
Magic.dev highlights
- + 100 million token context window for whole-codebase reasoning
- + Code-specialized frontier model trained specifically for software engineering
- + Long-horizon task execution across large monorepos
- + Enterprise private deployment options
- + SWE-bench performance at frontier model level
OpenAI Codex highlights
- + Multi-file edits across your entire local repository
- + GPT-5 and o-series model selection per session
- + Plan-edit-execute loop with step-by-step approval
- + Suggest, auto, and full-auto safety modes
- + Cloud agent runs via chatgpt.com/codex for async tasks
Frequently Asked Questions
Which is better, Magic.dev or OpenAI Codex?
Neither is universally better. Magic.dev (Enterprise) leans into coding, while OpenAI Codex (From $20/mo) is closer to coding. Pick based on which workflow you actually do every day.
What is the price difference between Magic.dev and OpenAI Codex?
Magic.dev is enterprise. OpenAI Codex is from $20/mo. See the pricing row in the comparison table.
Can I use Magic.dev and OpenAI Codex together?
In most cases, yes. They serve overlapping but distinct needs, so running them side by side is common until you decide which fits your workflow.